Honoring Our Heroes
A Tradition of Service, Community, and Respect
Our triathlon and obstacle course races honor and support Military, Veterans, and First Responders—those who have given their best for our country. For over 40 years, we’ve built strong relationships rooted in dignity, respect, and American values. With a spirit of community and a commitment to continuous improvement, we proudly give back to those who serve.
10K Obstacle Course Race Registration
5K Obstacle Course Race Registration
Canine Obstacle Course Registration
Honoring Our Heroes
A Tradition of Service, Community, and Respect
Our triathlon and obstacle course races honor and support Military, Veterans, and First Responders—those who have given their best for our country. For over 40 years, we’ve built strong relationships rooted in dignity, respect, and American values. With a spirit of community and a commitment to continuous improvement, we proudly give back to those who serve.

10K Obstacle Course Race Registration
5K Obstacle Course Race Registration
Canine Obstacle Course Registration
With heartfelt gratitude, we thank the Indiana Dunes National Park team for their steadfast support of Leon’s Races. In the OCR, participants will face challenges that embody significant American conflicts. This event is a cherished celebration held in America’s 61st national park, making it one of the most patriotic gatherings in the country. As you embark on this remarkable journey, you will honor those who have served and connect with a community that reflects the resilience and spirit of our nation, turning every step into a tribute to freedom and unity. Space will be limited. For individuals looking for that extra challenge, the option to complete the canine obstacle event and then the obstacle run is available. For further details, please contact us directly using our Contact page.
About Leon’s Obstacle Course Race
It is with this in mind, that we have created an obstacle course with a diverse set of “landscapes”, that represents just a handful of the types of topographies that our military have fought over and through. This is a way of honoring their dedication and sacrifice.
VIP Pre-Race Reception
Join us for an exclusive evening unlike any other, set against the breathtaking backdrop of Lake Michigan from the rooftop of the historic Indiana Dunes State Park Pavilion. This limited-capacity VIP Pre-Race Reception is your chance to take in stunning panoramic views while enjoying delicious appetizers, refreshing drinks, and meaningful conversations.
Mingle with world-class military athletes and hear inspiring stories of resilience and service. This special evening also pays tribute to our K-9 Heroes — the loyal military, law enforcement, and service dogs who have stood bravely alongside their handlers.
In commemoration of the 24th anniversary of 9/11, we honor our nation’s military veterans, law enforcement officers, and first responders with heartfelt gratitude and reverence.
Tickets: $75
Each ticket includes:
- Two complimentary drinks
- Hors d’oeuvres and refreshments
- A commemorative 3×5 American flag
- An official event shirt
Space is extremely limited — reserve your place at this unforgettable gathering and help us honor the heroes who serve and protect our nation.

Power in Partnerships
Special Thanks


10K Obstacle Course Registration
5K Obstacle Course Registration
Canine Obstacle Course Registration
What is it?
We’re excited to announce the Chicagoland Tri-Series is here! Join in a new tri-state triathlon challenge to complete the “BEST OF THE MIDWEST” triathlon experiences at Leon’s Triathlon, the Pleasant Prairie Triathlon, and the Chicago Triathlon!
Start your season at one of the unique and patriotic races in the country at LEON’S TRIATHLON, which also serves as the exciting MILITARY & FIRST RESPONDER’S NATIONAL CHAMPIONSHIPS. Then continue your racing season at the midwest’s most popular SPRINT or OLYMPIC distance events, including STATE CHAMPIONSHIPS where age group, high school, and club triathletes can win state titles at both the PLEASANT PRAIRIE TRIATHLON and CHICAGO TRIATHLON!
As an added bonus, the USA Triathlon (USAT) national and state championships provide an opportunity for a higher percentage of finishers to qualify for the USAT AGE GROUP NATIONAL CHAMPIONSHIPS which is coming back to Milwaukee, WI in 2025 and 2026! Learn more at https://www.usatriathlon.org/2025-sprint-and-olympic-nationals
The primary goal of the “CHICAGOLAND TRI-SERIES” (CTS) is participation – to motivate, accelerate, and celebrate triathlon becoming more accessible and fun for athletes of all ages and ability levels! All three races have historically been recognized as some of the three largest ADAPTIVE & PARA TRIATHLON supportive races in the country – helping to make triathlon more accessible in the midwest thanks to our partnerships with the Dare2Tri Paratriathlon Club (https://www.dare2tri.org). Join us in inspiring participation for a wider range of athletes of all ages, backgrounds, and adaptive ability levels to get into the great sport of triathlon!
Why participate in the Tri-State Chicagoland Tri-Series?
- Get ranked by USA TRIATHLON (USAT) in the NATIONAL RANKINGS when you complete three USAT sanctioned races!
- Support more ADAPTIVE, PARA, MILITARY, and FIRST RESPONDER friendly races!
- Get inspired by the patriotic experience at the MILITARY & FIRST RESPONDERS NATIONAL CHAMPIONSHIPS at Leon’s Tri!
- Compete in the Wisconsin STATE CHAMPIONSHIP at the Pleasant Prairie Tri!
- Race in one of the WORLD’S LARGEST TRIATHLON events at the Chicago Triathlon!
- Compete for State Championship INDIVIDUAL AGE-GROUP, HIGH SCHOOL, and CLUB TEAM titles!
- Qualify for the USAT NATIONAL CHAMPIONSHIPS and compete for a spot on the TEAM USA age group team to race in the patriotic “stars & stripes” uniform at a World Championships!
- Earn a special Stuff We All Get (SWAG) item for completing the series! (SWAG announcement coming soon!)
- Enjoy a unique tri-series finish line experience at the Chicago Triathlon with the race directors from all three events as you earn your prize to celebrate your summer racing season!
For more info on USAT membership, visit: https://www.usatriathlon.org/membership
For more info on USAT rankings, visit: https://www.usatriathlon.org/rankings
For more info on USAT AG Nationals, visit: https://www.usatriathlon.org/2025-sprint-and-olympic-nationals
HOW TO COMPLETE THE CHICAGOLAND TRI-SERIES CHALLENGE
Join the Dare2tri Chicagoland Tri-Series Race2Raise team to fundraise and receive complimentary entries into all three races.
REGISTER NOW
– OR –
Register for all THREE RACES individually (any distance will qualify for series swag!)
Register for Leon’s Triathlon at https://leonstriathlon.com
Register for Pleasant Prairie Triathlon at https://pleasantprairietri.com
Register for Chicago Triathlon at https://www.chicagotriathlon.com
For more information, visit the Chicago Triathlon website by clicking here.
Para Nationals Qualifier Series Race Description and Racing Categories:
Athletes wishing to compete in the USA Para Nationals Qualifier Race Series must have a USA Triathlon National Classification or a World Triathlon Classification of a “C” or “R” or “P” and be 16 years of age or older as of December 31, 2025. These athletes should register for the races in their respective Sport Classes: PTWC 1-2, PTS 2-5, or PTVI 1-3. If you are not yet classified, you may compete in the sport class that you expect to be classified.
- PTWC 1-2: athletes with limitations in lower (PTWC2) and upper body (PTWC1), using a handcycle for the cycling segment and a racing chair for the running segment.
- PTS 2-5: athletes with limitations in lower and/or upper limbs (lower class number means there are more limitations) who compete in (regular) cycling and running. Assistive devices such as prosthetic legs and/or bike modifications can be used.
- PTVI 1-3: athletes with vision impairment, subdivided in three classes by severity of vision loss (visual acuity and/or visual field).
ATD1 (formerly PC Open) Race Category Descriptions:
ATD1 athletes are also welcome to race these races. ATD1 (formerly PC Open) athletes are paratriathletes who are not able to be classified or choose to use equipment that doesn’t follow Paratriathlon Competition Rules. ATD1 athletes are not eligible for Series awards, however, will be recognized in the ATD1 Series Standings.
ATD1 athletes should register for the ATD1 Category that best fits:
- ATD1 Wheelchair
- ATD1 Ambulatory
- ATD1 Visually Impaired.
Guides
PTVI and ATD1 Visually Impaired athletes must race the entire race with the same GUIDE. Guides always register for free. To register the Guide for free, please use coupon code 25GUIDE (case-sensitive).
NOTE: If you are not classified, register for the ATD1 Division or you may race in your provisional category until you become classified at Nationals if you send your MDF to USAT at paratriathlon@usatriathlon.org and to Auburn Bosworth at auburn.bosworth@usatriathlon.org.
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Leon’s Heroes
Leon’s Heroes is an organization that is a branch of Leon’s Triathlon. Leon’s Heroes aims to promote patriotism and honor the U.S. Military, Veterans, First Responders and Law Enforcement.
Leon’s Heroes are the men and women who put their lives on the line to defend our nation and constitution. We aim to create a feel of patriotism anywhere we go.
